The calculated distance (air line) between São Mamede de Infesta and Santo António dos Olivais is approximately 68 miles respectively 110 kilometers.
By car or train, the actual journey to Santo António dos Olivais is certainly longer, as only the direct route (as the crow flies) between São Mamede de Infesta and Santo António dos Olivais has been calculated here.
Air line (approximately)
110 kilometers
59 nautical miles